NASA's Glenn Research Center, Cleveland, Ohio, has awarded a one-year contract option to ASRC Aerospace Corporation of Greenbelt, Maryland, for technical, engineering and scientific services in the areas of aeronautics, microgravity science, space exploration and related science and technology activities in support of Glenn's Lewis Field and Plum Brook Station, Sandusky, Ohio. The option has a value that will not exceed $50 million and increases the value of the contract to $260 million.